@article{ZVMMF_2005_45_9_a6,
     author = {E. A. Volkov},
     title = {On the convergence in $C^1_h$ of the difference solution to the {Laplace} equation in a rectangular parallelepiped},
     journal = {\v{Z}urnal vy\v{c}islitelʹnoj matematiki i matemati\v{c}eskoj fiziki},
     pages = {1587--1593},
     year = {2005},
     volume = {45},
     number = {9},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/ZVMMF_2005_45_9_a6/}
}